Merck & Co. Inc. received some unexpected good news late Jan. 19 when rival Bristol-Myers Squibb Co. said it wouldn't apply for accelerated US approval for its combination of Opdivo (anti-PD-1) plus Yervoy (ipilimumab; anti-CTLA-4) as a first-line treatment for non-small cell lung cancer (NSCLC). The move puts Bristol's IO combo's prospects even further behind Merck's Keytruda (pembrolizumab), which last week was accepted for accelerated review in that indication by the FDA in combination with chemotherapy.
Bristol, in a terse announcement, said it made the decision to hold early fire based on "a review of data...



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